Home / 201,964,140.80-302,834,236.80-86,929,107.20

Finding the Fourth Proportional to 201,964,140.80, 302,834,236.80 and 86,929,107.20

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Solution

The fourth proportional to 201,964,140.80, 302,834,236.80 and 86,929,107.20 is: 130,345,464.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,964,140.80 : 302,834,236.80 = 86,929,107.20 : x
  2. Step 2: Convert to fraction form
    201,964,140.80/302,834,236.80 = 86,929,107.20/x
  3. Step 3: Cross multiply
    201,964,140.80x = 302,834,236.80 × 86,929,107.20
  4. Step 4: Simplify right side
    201,964,140.80x = 26,325,109,834,617,388
  5. Step 5: Solve for x
    x = 26,325,109,834,617,388/201,964,140.80
  6. Step 6: Final answer
    x = 130,345,464.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.